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Arc-Shaped Alumina Ceramic Crucible High Temperature Resistant for Engineering Advanced Fine Ceramics

fine ceramics

Arc-Shaped Alumina Ceramic Crucible High Temperature Resistant for Engineering Advanced Fine Ceramics

Item Number : KM-C016

Price varies based on specs and customizations


Material
99% Alumina
Specification
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Introduction

The arc-shaped alumina ceramic crucible is renowned for its high-temperature resistance and durability, primarily used in industrial applications for melting and processing metals like stainless steel and nickel alloys. Made from high-purity aluminum oxide (Al2O3 > 99%), this crucible exhibits excellent thermal conductivity and shock resistance, capable of withstanding temperatures up to 1800°C for short-term use. Its robust acid and alkali resistance makes it ideal for handling various chemical compounds, excluding alkaline substances and hydrofluoric acid. Despite its high cost, the crucible's superior mechanical strength and insulation properties make it a preferred choice in high-temperature industrial processes.

Applications

Arc-shaped alumina ceramic crucibles are highly specialized containers designed for high-temperature applications, particularly in environments where resistance to thermal shock and chemical inertness are critical. These crucibles are ideal for a variety of industrial and laboratory processes where maintaining the integrity of the sample or material is paramount.

  • Metallurgical Industry: Used for melting and alloying metals, especially in the production of stainless steel and nickel alloys.
  • Ceramic Manufacturing: Suitable for high-temperature sintering and firing of ceramic materials.
  • Chemical Processing: Employed in reactions involving acidic substances, such as K2S2O7, where resistance to corrosion is necessary.
  • Research and Development: Used in laboratories for experiments requiring high-temperature stability and inertness to various atmospheres.
  • Glass Industry: Can be used in the production of specialty glasses that require high-temperature processing.
  • Refractory Applications: Used in environments where high-temperature insulation properties and mechanical strength are required.

These crucibles are particularly noted for their ability to operate in both oxidizing and reducing atmospheres up to temperatures of 1750°C, making them versatile tools in high-temperature applications.

Features

Alumina ceramic crucibles are renowned for their exceptional high-temperature resistance and chemical stability, making them ideal for various high-temperature applications in laboratory and industrial settings. These crucibles offer several key benefits that enhance their utility and efficiency in handling demanding processes.

  • Metallurgical Industry: Used for melting and alloying metals, especially in the production of stainless steel and nickel alloys.
  • Ceramic Manufacturing: Suitable for high-temperature sintering and firing of ceramic materials.
  • Chemical Processing: Employed in reactions involving acidic substances, such as K2S2O7, where resistance to corrosion is necessary.
  • Research and Development: Used in laboratories for experiments requiring high-temperature stability and inertness to various atmospheres.
  • Glass Industry: Can be used in the production of specialty glasses that require high-temperature processing.
  • Refractory Applications: Used in environments where high-temperature insulation properties and mechanical strength are required.

These features collectively make the arc-shaped alumina ceramic crucible a robust and reliable choice for high-temperature applications, particularly in industries and laboratories where precision and material purity are critical.

Details & Parts

Arc Shape Alumina Ceramic Crucible

Arc Shape Alumina Ceramic Crucible

Arc Shape Alumina Ceramic Crucible

Regular

Regular

Thickened and heightened

Thickened and heightened

With mouth

Funnel type

Funnel type

With window

With window

Technical specifications

Ordinary:

Model Upper diameter(mm) Bottom diameter(mm) Wall thickness(mm) Height(mm)
3ml 20 17 1.5 16
4ml 25 19 1.5 18
5ml 25 17 1.5 21
10ml 30 21 2 28
15ml 36 21 2 28
20ml 38 24 2.5 34
25ml 39 25 2.5 39
30ml 45 27 2.5 40
40ml 45 30 3 46
50ml 50 32 3 49
100ml 62 36 3 60
150ml 75 45 3 70
300ml 100 50 5 85

Thickened/heightened:

Model Upper diameter(mm) Bottom diameter(mm) Wall thickness(mm) Height(mm)
10ml 28 19 2 33
15ml 34 22 2 33
20ml 35 24 2.5 40
30ml 39 25 2.5 48
50ml 50 30 3 63
100ml 58 36 3 70
150ml 66 40 4 76
200ml 70 47 4 88
300ml 83 50 4 106
460ml 85 55 4 130
500ml 100 62 4.5 116
700ml 111 75 6 128
1000ml 120 80 6 150
1300ml 130 85 5 155
1500ml 140 85 5 175
2300ml 165 110 5 153
3500ml 220 120 8 150

Advantages

  • Exceptional High-Temperature Performance: The 85% alumina ceramic crucible can operate under a reduction-oxidation atmosphere at temperatures ranging from 1290℃ to 1350℃, showcasing its superior high-temperature insulation properties and mechanical strength. This makes it ideal for long-term use in stable environments with minimal temperature fluctuations.
  • Superior Thermal Conductivity and Low Thermal Expansion: With a large thermal conductivity and low thermal expansion, this crucible ensures efficient heat distribution and minimal risk of thermal shock, enhancing its durability and reliability in high-temperature applications.
  • High Purity and Chemical Resistance: The crucible boasts an Al2O3 content greater than 99%, providing excellent chemical resistance and stability against acid and alkali erosion, making it suitable for handling a wide range of reactive materials.
  • Resistance to Rapid Heat and Cold: The alumina ceramic material is designed to withstand rapid temperature changes without cracking or bursting, ensuring safety and longevity even under fluctuating thermal conditions.
  • Long-Term and Short-Term Temperature Tolerance: Capable of long-term use at 1600℃ and short-term use up to 1800℃, this crucible is versatile and can handle extreme temperature demands, making it a robust choice for various high-temperature processes.
  • Anti-Oxidation Treatment: Special anti-oxidation treatments extend the crucible's service life by protecting it from oxidative degradation, ensuring consistent performance over extended periods.
  • Special Technology for Enhanced Durability: The use of special production technologies results in high bulk density and low porosity, which resist the erosion of molten aluminum and its gas particles, maintaining the crucible's integrity and effectiveness.

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FAQ

What Are Advanced Ceramics?

Advanced ceramics are specialized ceramic materials with enhanced properties such as high strength, high temperature resistance, and excellent electrical conductivity. They are used in various industries due to their unique characteristics.

What Are The Main Applications Of Fine Ceramics?

Fine ceramics are used in various applications including tableware, cookware, wall tiles, and sanitaryware. They are also used in structural ceramics like bricks and roof tiles, refractories such as furnace and kiln insulation, metal crucibles, and in advanced technical ceramics for high-temperature applications.

What Are Engineering Ceramics?

Engineering ceramics are advanced ceramic materials designed for specific mechanical, thermal, electrical, and chemical properties. They are used in applications requiring high performance under extreme conditions.

What Are The Main Benefits Of Using An Arc-shaped Alumina Ceramic Crucible?

1. High Strength: Alumina is harder than iron or graphite, allowing it to withstand higher internal pressures due to its high thermal expansion coefficient. 2. Thermal Resistance: Alumina has a high thermal conductivity, making it easier to handle and requiring less energy to heat. 3. Thermal Shock Resistance: Alumina is resistant to electrical hazards, making it safe for use in high-temperature processes.

What Are The High-temperature Properties Of A 99% Alumina Ceramic Crucible?

1.High-Temperature Insulation:Excellent insulation properties and mechanical strength under reduction-oxidation atmosphere (1650℃~1700℃). 2.Thermal Conductivity:High thermal conductivity and low thermal expansion. 3.Reactivity:Does not react with air, water vapor, hydrogen, or CO even at 1700℃. Maximum working temperature is 1800℃ for short-term use.

How Should I Handle The Heating And Cooling Of An Alumina Ceramic Crucible?

Heating: Warm up the furnace chamber slowly, with a recommended heating rate of 150-300°C per hour for the first 1-1.5 hours. Cooling: Lower the temperature gradually, with a cooling rate often half of the heating rate (75-150°C per hour).

What Are The Main Types Of Advanced Ceramics?

The main types of advanced ceramics include alumina (Al₂O₃), zirconia (ZrO₂), silicon carbide (SiC), silicon nitride (Si₃N₄), aluminum nitride (AlN), and boron nitride (BN). Each type has specific properties suitable for different applications.

What Are The Common Applications Of Alumina Crucibles?

Alumina crucibles have diverse applications in industries such as metallurgy, ceramics, chemistry, and materials research. They are commonly used for high-temperature processes, including melting, calcination, and sintering of metals, alloys, and ceramics. Alumina crucibles are also utilized in the production of catalysts, glass, and advanced materials. In laboratories, they are used for sample preparation, heating, and chemical reactions. Additionally, alumina crucibles find applications in thermal analysis techniques such as differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA).

What Are The Main Types Of Fine Ceramics?

The main types of fine ceramics include alumina (Al2O3), zirconia, boron nitride (BN), silicon carbide (SiC), and silicon nitride (SiN). Each type has unique properties suitable for different applications.

What Are The Advantages Of Using Ceramic Crucibles?

Ceramic crucibles offer several advantages over other types of crucibles. Firstly, they have excellent thermal resistance, allowing them to withstand high temperatures without cracking or warping. Ceramic crucibles are also chemically inert, meaning they do not react with most substances, making them suitable for a wide range of applications. They are also non-porous, ensuring that there is no contamination or absorption of materials during heating or melting processes. Ceramic crucibles are highly durable and long-lasting, making them a reliable choice for repeated use. Additionally, ceramic crucibles can be manufactured in various shapes and sizes to accommodate different experimental or industrial requirements.

What Are The Main Types Of Engineering Ceramics?

The main types of engineering ceramics include alumina (Al₂O₃), zirconia (ZrO₂), silicon carbide (SiC), silicon nitride (Si₃N₄), and boron nitride (BN). Each type has unique properties tailored for different applications.

What Are The Applications Of Advanced Ceramics?

Advanced ceramics are used in various fields such as aerospace, automotive, electronics, medical devices, and industrial machinery. They are valued for their high performance in extreme environments, including high temperatures and corrosive conditions.

What Are The Advantages Of Using Alumina Crucibles?

Alumina crucibles offer several advantages in high-temperature applications. Firstly, they have excellent thermal shock resistance, allowing them to withstand rapid heating and cooling without cracking. Alumina crucibles also have high chemical resistance, making them suitable for use with acids, bases, and other corrosive materials. They have low electrical conductivity, which is beneficial for preventing electrical interference in certain applications. Alumina crucibles are also inert and do not react with most substances, ensuring the purity of the materials being processed. Additionally, they have a long lifespan and can withstand repeated use at high temperatures.

What Is The Principle Behind Fine Ceramics?

Fine ceramics are made through a process involving high-temperature sintering of raw materials to form dense, strong, and durable materials. The specific properties of each type of ceramic are determined by the chemical composition and microstructure achieved during the sintering process.

What Are Some Common Uses Of Ceramic Crucibles?

Ceramic crucibles have a wide range of applications across various industries. They are commonly used in laboratories for heating, melting, or calcining substances during experiments or sample preparations. Ceramic crucibles are also widely used in metal casting and alloy production processes, as they can withstand the high temperatures required for melting metals. They are used in the production of ceramics, glass, and semiconductors, where precise temperature control and chemical resistance are crucial. Additionally, ceramic crucibles find applications in the pharmaceutical and chemical industries, as well as in research and development, where they are used for analyzing and testing materials under extreme temperature conditions.

What Are The Applications Of Engineering Ceramics?

Engineering ceramics are used in various industries such as aerospace, automotive, electronics, and metallurgy. Applications include wear-resistant parts, high-temperature components, electrical insulators, and heat sinks.

How Are Advanced Ceramics Manufactured?

Advanced ceramics are typically manufactured through processes like sintering, hot pressing, or isostatic pressing. These methods ensure the formation of a dense, uniform structure with desired mechanical and thermal properties.

How Should Alumina Crucibles Be Handled And Maintained?

Proper handling and maintenance of alumina crucibles are crucial to ensure their longevity and optimal performance. When handling, it is important to avoid dropping or impacting the crucibles to prevent cracking or damage. They should be stored in a clean and dry environment to avoid contamination. Regular cleaning of the crucibles is necessary to remove any residual materials or impurities. This can be done using a soft brush, mild detergent, or solvents suitable for alumina. It is recommended to preheat the crucibles before use, especially when subjected to rapid temperature changes, to prevent thermal shock. Crucibles should be inspected for cracks, erosion, or other damage, and if any issues are found, they should be replaced to maintain the quality of the materials being processed. Following the manufacturer's guidelines for maintenance and handling is essential.

What Are The Advantages Of Using Fine Ceramics?

Fine ceramics offer several advantages including high temperature resistance, excellent electrical insulation, high hardness, wear resistance, chemical resistance, and low thermal expansion. These properties make them ideal for use in extreme environments and for specialized applications.

How Can I Choose The Right Ceramic Crucible For My Application?

When choosing a ceramic crucible for a specific application, several factors should be considered. Firstly, the temperature range required for the application should be determined, as different types of ceramics have varying maximum temperature limits. It is important to select a crucible that can withstand the expected temperature without deformation or damage. Secondly, the size and capacity of the crucible should be considered to ensure it can accommodate the required quantity of material. The shape and design of the crucible should also be compatible with the experimental setup or industrial process. Additionally, the chemical compatibility of the crucible with the substances being used should be assessed to ensure there will be no adverse reactions or contamination. Consulting with suppliers or experts in the field can help in selecting the most suitable ceramic crucible for specific applications.

How Do Engineering Ceramics Differ From Traditional Ceramics?

Engineering ceramics are designed for specific high-performance applications, offering superior mechanical strength, thermal resistance, and chemical stability. Traditional ceramics are more commonly used for decorative and household purposes.

What Are The Advantages Of Using Advanced Ceramics?

The advantages of advanced ceramics include high hardness, wear resistance, excellent thermal and electrical insulation, high temperature resistance, and chemical stability. These properties make them ideal for demanding applications.

How Should Ceramic Crucibles Be Handled And Maintained?

Proper handling and maintenance of ceramic crucibles are essential to ensure their longevity and performance. When handling ceramic crucibles, it is important to avoid dropping them or subjecting them to sudden temperature changes, as this can cause thermal shock and result in cracking or breakage. It is advisable to use appropriate tools, such as tongs or gloves, for handling hot crucibles. After use, ceramic crucibles should be allowed to cool down gradually before cleaning. Cleaning can be done using warm water and mild detergent, followed by rinsing and drying thoroughly. It is important to avoid using harsh chemicals or abrasive materials that can damage the ceramic surface. Regular inspection should be carried out to check for any signs of wear, cracks, or discoloration, and damaged crucibles should be replaced to ensure safety and accuracy in experiments or industrial processes.

What Are The Advantages Of Using Alumina Ceramics?

Alumina ceramics are known for their high hardness, wear resistance, and excellent electrical insulation. They also have good thermal conductivity and chemical stability, making them suitable for high-temperature applications.

What Is The Difference Between Alumina And Zirconia Ceramics?

Alumina ceramics are known for their good electrical conductivity, mechanical strength, and high temperature resistance. Zirconia ceramics, on the other hand, are valued for their high strength, high toughness, and excellent wear resistance.

Why Are Zirconia Ceramics Preferred In Certain Applications?

Zirconia ceramics are preferred for their high strength, toughness, and thermal shock resistance. They are often used in applications requiring durability and reliability under high stress and temperature conditions.

Why Are Silicon Carbide Ceramics Used In High-temperature Applications?

Silicon carbide (SiC) ceramics are used in high-temperature applications due to their high-strength, low-density, and excellent resistance to high temperatures. They are also resistant to chemical corrosion, making them suitable for harsh environments.

What Makes Silicon Carbide Ceramics Suitable For High-temperature Applications?

Silicon carbide ceramics have excellent thermal conductivity and high-temperature stability, making them ideal for applications in furnaces, heat exchangers, and other high-temperature environments.

What Makes Boron Nitride Ceramics Unique?

Boron nitride (BN) ceramics are unique due to their high melting point, high hardness, high thermal conductivity, and high electrical resistivity. Their crystal structure is similar to graphene and harder than diamond, making them suitable for high-performance applications.

How Are Boron Nitride Ceramics Used In Electronics?

Boron nitride ceramics are used in electronics for their excellent electrical insulation and thermal conductivity. They help in dissipating heat from electronic components, preventing overheating and improving performance.

How Do Advanced Ceramics Contribute To Energy Efficiency?

Advanced ceramics contribute to energy efficiency by providing materials that can withstand high temperatures and corrosive environments in energy production and conversion processes. They help in reducing energy losses and improving the overall efficiency of systems.

What Is The Manufacturing Process Of Engineering Ceramics?

Engineering ceramics are typically manufactured through processes like sintering, hot pressing, or chemical vapor deposition. These processes ensure the formation of dense, strong, and durable ceramic materials.

Can Engineering Ceramics Be Customized For Specific Applications?

Yes, engineering ceramics can be customized to meet specific application requirements. This includes tailoring their shape, size, and material composition to achieve desired mechanical, thermal, or electrical properties.
View more faqs for this product

4.7

out of

5

Outstanding thermal resistance, perfect for our high-temp experiments.

Hiroshi Tanaka

4.8

out of

5

Excellent value for money, durable and efficient.

Anika Patel

4.9

out of

5

Fast delivery and the quality exceeded my expectations.

Sofia Rossi

4.7

out of

5

Highly recommend for any lab needing reliable crucibles.

Liam O'Brien

4.8

out of

5

Sturdy construction, ideal for long-term high-temp use.

Elena Garcia

4.9

out of

5

Great product, handles extreme temperatures with ease.

Mohammed Al-Farsi

4.7

out of

5

Impressive thermal conductivity, saves energy in our processes.

Yuki Nakamura

4.8

out of

5

Top-notch quality, very satisfied with the purchase.

Chen Wei

4.9

out of

5

Quick shipping, the crucible is a game-changer for our lab.

Carlos Silva

4.7

out of

5

Durable and resistant to thermal shock, excellent product.

Emma Johnson

4.8

out of

5

Highly resistant to chemical corrosion, very reliable.

Nikolai Petrov

4.9

out of

5

Best crucible for high-temperature applications, highly recommend.

Aisha Ahmed

4.7

out of

5

Efficient and cost-effective, perfect for our needs.

Lucas Müller

4.8

out of

5

Superb thermal insulation properties, very pleased.

Isabella Romano

4.9

out of

5

Quick and easy to use, great for frequent lab tasks.

David Kim

4.7

out of

5

Excellent mechanical strength, handles heavy use well.

Fatima El-Sayed

4.8

out of

5

High-quality alumina, very durable and effective.

Andres Gonzales

4.9

out of

5

Perfect for our high-temp experiments, no issues at all.

Sophie Leclerc

4.7

out of

5

Great product, highly resistant to high temperatures.

Rajesh Kumar

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